Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 22:23

General

  • Target

    d6987dcbd61e015c770c962a9578e7ca4b08e5c7c10315555eef47cffd10c0c3.exe

  • Size

    525KB

  • MD5

    50010e79a796638140facaacd019c6ad

  • SHA1

    d20503f16fc20258d8ece8a6f3f77724570537b6

  • SHA256

    d6987dcbd61e015c770c962a9578e7ca4b08e5c7c10315555eef47cffd10c0c3

  • SHA512

    703da0ab8f9612f45083b231369524d21741916160dd24308e44622f24673265c7dbc2c5ea4175c9902233a83313f017380d2bee61c0fdd756521d37ace57df6

  • SSDEEP

    6144:Ociit6Uqd2GhNOEeDMsopAQATC+WyWiC6wNHGvxgS6vyX84Fr82Ynq3ud7/yH68M:OciPUi2iNB2MNlvDS4WLn1C+7xLG

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.allfids.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    BDMExba2

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6987dcbd61e015c770c962a9578e7ca4b08e5c7c10315555eef47cffd10c0c3.exe
    "C:\Users\Admin\AppData\Local\Temp\d6987dcbd61e015c770c962a9578e7ca4b08e5c7c10315555eef47cffd10c0c3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bAlFubtnDI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39C8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4956
    • C:\Users\Admin\AppData\Local\Temp\d6987dcbd61e015c770c962a9578e7ca4b08e5c7c10315555eef47cffd10c0c3.exe
      "C:\Users\Admin\AppData\Local\Temp\d6987dcbd61e015c770c962a9578e7ca4b08e5c7c10315555eef47cffd10c0c3.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1168-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1168-27-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-26-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-25-0x0000000006C40000-0x0000000006C90000-memory.dmp

    Filesize

    320KB

  • memory/1168-24-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-23-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-22-0x00000000065D0000-0x0000000006636000-memory.dmp

    Filesize

    408KB

  • memory/1168-21-0x0000000006520000-0x0000000006538000-memory.dmp

    Filesize

    96KB

  • memory/1168-20-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-18-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1364-5-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

    Filesize

    40KB

  • memory/1364-10-0x0000000006010000-0x0000000006070000-memory.dmp

    Filesize

    384KB

  • memory/1364-9-0x0000000005DC0000-0x0000000005E5C000-memory.dmp

    Filesize

    624KB

  • memory/1364-19-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1364-8-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1364-7-0x00000000746CE000-0x00000000746CF000-memory.dmp

    Filesize

    4KB

  • memory/1364-6-0x00000000053B0000-0x00000000053BE000-memory.dmp

    Filesize

    56KB

  • memory/1364-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

    Filesize

    4KB

  • memory/1364-4-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1364-3-0x0000000005010000-0x00000000050A2000-memory.dmp

    Filesize

    584KB

  • memory/1364-2-0x0000000005670000-0x0000000005C14000-memory.dmp

    Filesize

    5.6MB

  • memory/1364-1-0x0000000000680000-0x000000000070A000-memory.dmp

    Filesize

    552KB